The [http://www.cslib.org/geography.htm Connecticut State Library], [http://www.chs.org/page.php?id=516 Connecticut Historical Society], [http://orbexpress.library.yale.edu/vwebv/search?searchArg=connecticut+maps&searchCode=GKEY^*&searchType=0&recCount=50 Yale University], and [http://www.wesleyan.edu/libr/ Wesleyan University] have major map collections. Many maps have been digitized.<br>

The Family History Library has Connecticut maps for many years. It also has Hartford and New Haven city ward maps dating from 1850 to 1899 {{FHL|373717|item|disp=FHL film 1377700}}; Hartford {{FHL|373717|item|disp=FHL fiches 6016650-54}}, New Haven {{FHL|373717|item|disp=FHL fiches 6016688-94}}. <br>

The Family History Library has Connecticut maps for many years. It also has Hartford and New Haven city ward maps dating from 1850 to 1899 {{FHL|373717|item|disp=FHL film 1377700}}; Hartford {{FHL|373717|item|disp=FHL fiches 6016650-54}}, New Haven {{FHL|373717|item|disp=FHL fiches 6016688-94}}. <br>